The North American Board of Certified Energy Practitioners (NABCEP) released today the preliminary version of the Resource Guide for PV Installer Certification at the Solar Power International Conference in Dallas, TX. The document follows the PV Installer Job Task Analysis and provides study and reference material for candidates who are preparing for the NABCEP exam. It was prepared for NABCEP by two of the industry's leading authors and trainers: Bill Brooks, PE and Jim Dunlop, PE.